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Commit 86ca4903 authored by Laurent Aimar's avatar Laurent Aimar
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* encoder.c, analyse.c, macroblock: fixed when using a qp per MB. 

 (Buggy for pskip and mb with null cbp luma and chroma).
 * dct*: fixed order of idct.


git-svn-id: svn://svn.videolan.org/x264/trunk@13 df754926-b1dd-0310-bc7b-ec298dee348c
parent 55eb54c7
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Showing with 54 additions and 37 deletions
core/dct.c
View file @ 86ca4903
......@@ -197,30 +197,31 @@ static void add4x4_idct( uint8_t *p_dst, int i_dst, int16_t dct[4][4] )
for( i = 0; i < 4; i++ )
{
const int s02 = dct[0][i] + dct[2][i];
const int d02 = dct[0][i] - dct[2][i];
const int s13 = dct[1][i] + (dct[3][i]>>1);
const int d13 = (dct[1][i]>>1) - dct[3][i];
tmp[0][i] = s02 + s13;
tmp[1][i] = d02 + d13;
tmp[2][i] = d02 - d13;
tmp[3][i] = s02 - s13;
const int s02 = dct[i][0] + dct[i][2];
const int d02 = dct[i][0] - dct[i][2];
const int s13 = dct[i][1] + (dct[i][3]>>1);
const int d13 = (dct[i][1]>>1) - dct[i][3];
tmp[i][0] = s02 + s13;
tmp[i][1] = d02 + d13;
tmp[i][2] = d02 - d13;
tmp[i][3] = s02 - s13;
}
for( i = 0; i < 4; i++ )
{
const int s02 = tmp[i][0] + tmp[i][2];
const int d02 = tmp[i][0] - tmp[i][2];
const int s13 = tmp[i][1] + (tmp[i][3]>>1);
const int d13 = (tmp[i][1]>>1) - tmp[i][3];
d[i][0] = ( s02 + s13 + 32 ) >> 6;
d[i][1] = ( d02 + d13 + 32 ) >> 6;
d[i][2] = ( d02 - d13 + 32 ) >> 6;
d[i][3] = ( s02 - s13 + 32 ) >> 6;
const int s02 = tmp[0][i] + tmp[2][i];
const int d02 = tmp[0][i] - tmp[2][i];
const int s13 = tmp[1][i] + (tmp[3][i]>>1);
const int d13 = (tmp[1][i]>>1) - tmp[3][i];
d[0][i] = ( s02 + s13 + 32 ) >> 6;
d[1][i] = ( d02 + d13 + 32 ) >> 6;
d[2][i] = ( d02 - d13 + 32 ) >> 6;
d[3][i] = ( s02 - s13 + 32 ) >> 6;
}
for( y = 0; y < 4; y++ )
{
for( x = 0; x < 4; x++ )
......
core/i386/dct.asm
View file @ 86ca4903
......@@ -277,14 +277,17 @@ x264_add4x4_idct_mmxext:
; Load dct coeffs
mov eax, [esp+12] ; dct
movq mm0, [eax+ 0]
movq mm1, [eax+ 8]
movq mm2, [eax+16]
movq mm3, [eax+24]
movq mm4, [eax+ 8]
movq mm3, [eax+16]
movq mm1, [eax+24]
mov eax, [esp+ 4] ; p_dst
mov ecx, [esp+ 8] ; i_dst
lea edx, [ecx+ecx*2]
; out:mm0, mm1, mm2, mm3
MMX_TRANSPOSE mm0, mm4, mm3, mm1, mm2
MMX_SUMSUB_BA mm2, mm0 ; mm2=s02 mm0=d02
MMX_SUMSUBD2_AB mm1, mm3, mm5, mm4 ; mm1=s13 mm4=d13 ( well 1 + 3>>1 and 1>>1 + 3)
......@@ -298,16 +301,13 @@ x264_add4x4_idct_mmxext:
MMX_SUMSUB_BADC mm2, mm3, mm4, mm1 ; mm2=s02+s13 mm3=s02-s13 mm4=d02+d13 mm1=d02-d13
; in: mm2, mm4, mm1, mm3 out: mm2, mm3, mm0, mm1
MMX_TRANSPOSE mm2, mm4, mm1, mm3, mm0
MMX_ZERO mm7
movq mm6, [x264_mmx_32]
MMX_STORE_DIFF_4P mm2, mm4, mm6, mm7, [eax]
MMX_STORE_DIFF_4P mm3, mm4, mm6, mm7, [eax+ecx]
MMX_STORE_DIFF_4P mm0, mm4, mm6, mm7, [eax+ecx*2]
MMX_STORE_DIFF_4P mm1, mm4, mm6, mm7, [eax+edx]
MMX_STORE_DIFF_4P mm2, mm0, mm6, mm7, [eax]
MMX_STORE_DIFF_4P mm4, mm0, mm6, mm7, [eax+ecx]
MMX_STORE_DIFF_4P mm1, mm0, mm6, mm7, [eax+ecx*2]
MMX_STORE_DIFF_4P mm3, mm0, mm6, mm7, [eax+edx]
ret
core/macroblock.c
View file @ 86ca4903
......@@ -892,6 +892,9 @@ void x264_macroblock_cache_save( x264_t *h )
int i;
if( IS_SKIP( h->mb.i_type ) )
h->mb.qp[i_mb_xy] = h->mb.i_last_qp;
h->mb.i_last_dqp = h->mb.qp[i_mb_xy] - h->mb.i_last_qp;
h->mb.i_last_qp = h->mb.qp[i_mb_xy];
......
encoder/analyse.c
View file @ 86ca4903
......@@ -847,9 +847,15 @@ void x264_macroblock_analyse( x264_t *h )
x264_mb_analysis_t analysis;
int i;
/* qp TODO */
/* qp TODO implement a nice RC */
h->mb.qp[h->mb.i_mb_xy] = x264_clip3( h->pps->i_pic_init_qp + h->sh.i_qp_delta + 0, 0, 51 );
/* FIXME check if it's 12 */
if( h->mb.qp[h->mb.i_mb_xy] - h->mb.i_last_qp < -12 )
h->mb.qp[h->mb.i_mb_xy] = h->mb.i_last_qp - 12;
else if( h->mb.qp[h->mb.i_mb_xy] - h->mb.i_last_qp > 12 )
h->mb.qp[h->mb.i_mb_xy] = h->mb.i_last_qp + 12;
/* init analysis */
x264_mb_analyse_init( h, &analysis, h->mb.qp[h->mb.i_mb_xy] );
......@@ -871,11 +877,10 @@ void x264_macroblock_analyse( x264_t *h )
int i_cost;
/* Fast P_SKIP detection */
if( analysis.i_qp == h->mb.i_last_qp &&
( ( (i_neighbour&MB_LEFT) && h->mb.type[h->mb.i_mb_xy - 1] == P_SKIP ) ||
( (i_neighbour&MB_TOP) && h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride] == P_SKIP ) ||
( ((i_neighbour&(MB_TOP|MB_LEFT)) == (MB_TOP|MB_LEFT) ) && h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride-1 ] == P_SKIP ) ||
( (i_neighbour&MB_TOPRIGHT) && h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride+1 ] == P_SKIP ) ) )
if( ( (i_neighbour&MB_LEFT) && h->mb.type[h->mb.i_mb_xy - 1] == P_SKIP ) ||
( (i_neighbour&MB_TOP) && h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride] == P_SKIP ) ||
( ((i_neighbour&(MB_TOP|MB_LEFT)) == (MB_TOP|MB_LEFT) ) && h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride-1 ] == P_SKIP ) ||
( (i_neighbour&MB_TOPRIGHT) && h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride+1 ] == P_SKIP ) )
{
b_skip = x264_macroblock_probe_pskip( h );
}
......
encoder/encoder.c
View file @ 86ca4903
......@@ -37,7 +37,7 @@
#include "macroblock.h"
//#define DEBUG_MB_TYPE
//#define DEBUG_DUMP_FRAME 1
#define DEBUG_DUMP_FRAME 1
static int64_t i_mtime_encode_frame = 0;
......
encoder/macroblock.c
View file @ 86ca4903
......@@ -724,12 +724,19 @@ void x264_macroblock_encode( x264_t *h )
/* store cbp */
h->mb.cbp[h->mb.i_mb_xy] = (i_cbp_dc << 8) | (h->mb.i_cbp_chroma << 4) | h->mb.i_cbp_luma;
if( h->mb.i_type != I_16x16 && h->mb.i_cbp_luma == 0 && h->mb.i_cbp_chroma == 0 )
{
/* It won'y change anything at the decoder side but it is needed else the
* decoder will fail to read the next QP */
h->mb.qp[h->mb.i_mb_xy] = h->mb.i_last_qp;
}
/* Check for P_SKIP
* XXX: in the me perhaps we should take x264_mb_predict_mv_pskip into account
* (if multiple mv give same result)*/
if( h->mb.i_type == P_L0 && h->mb.i_partition == D_16x16 &&
h->mb.i_cbp_luma == 0x00 && h->mb.i_cbp_chroma== 0x00 &&
h->mb.qp[h->mb.i_mb_xy] == h->mb.i_last_qp )
h->mb.i_cbp_luma == 0x00 && h->mb.i_cbp_chroma== 0x00 )
{
if( h->mb.cache.ref[0][x264_scan8[0]] == 0 )
{
......@@ -740,6 +747,7 @@ void x264_macroblock_encode( x264_t *h )
h->mb.cache.mv[0][x264_scan8[0]][1] == mvp[1] )
{
h->mb.type[h->mb.i_mb_xy] = h->mb.i_type = P_SKIP;
h->mb.qp[h->mb.i_mb_xy] = h->mb.i_last_qp; /* Needed */
}
}
}
......
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